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contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Syzygy (astronomy)</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 36 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-36" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">36 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Sisigie" title="Sisigie – Afrikaans" lang="af" hreflang="af" data-title="Sisigie" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A7%D9%82%D8%AA%D8%B1%D8%A7%D9%86_%D9%83%D9%88%D9%83%D8%A8%D9%8A" title="اقتران كوكبي – Arabic" lang="ar" hreflang="ar" data-title="اقتران كوكبي" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B8%E0%A6%BF%E0%A6%9C%E0%A6%BF%E0%A6%9C%E0%A6%BF" title="সিজিজি – Bangla" lang="bn" hreflang="bn" data-title="সিজিজি" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A1%D1%96%D0%B7%D1%96%D0%B3%D1%96%D1%8F" title="Сізігія – Belarusian" lang="be" hreflang="be" data-title="Сізігія" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%B8%E0%A4%BF%E0%A4%9C%E0%A4%BF%E0%A4%97%E0%A5%80" title="सिजिगी – Bhojpuri" lang="bh" hreflang="bh" data-title="सिजिगी" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Siz%C3%ADgia_(astronomia)" title="Sizígia (astronomia) – Catalan" lang="ca" hreflang="ca" data-title="Sizígia (astronomia)" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Syzygie_(Astronomie)" title="Syzygie (Astronomie) – German" lang="de" hreflang="de" data-title="Syzygie (Astronomie)" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A3%CF%85%CE%B6%CF%85%CE%B3%CE%AF%CE%B1_(%CE%B1%CF%83%CF%84%CF%81%CE%BF%CE%BD%CE%BF%CE%BC%CE%AF%CE%B1)" title="Συζυγία (αστρονομία) – Greek" lang="el" hreflang="el" data-title="Συζυγία (αστρονομία)" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Sizigia" title="Sizigia – Spanish" lang="es" hreflang="es" data-title="Sizigia" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Sizigio_(astronomio)" title="Sizigio (astronomio) – Esperanto" lang="eo" hreflang="eo" data-title="Sizigio (astronomio)" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B3%DB%8C%D8%B2%DB%8C%D8%AC%DB%8C" title="سیزیجی – Persian" lang="fa" hreflang="fa" data-title="سیزیجی" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Syzygie" title="Syzygie – French" lang="fr" hreflang="fr" data-title="Syzygie" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Sisige" title="Sisige – Irish" lang="ga" hreflang="ga" data-title="Sisige" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Sicixia" title="Sicixia – Galician" lang="gl" hreflang="gl" data-title="Sicixia" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%ED%95%A9%EC%B6%A9" title="합충 – Korean" lang="ko" hreflang="ko" data-title="합충" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AF%E0%A5%81%E0%A4%A4%E0%A4%BF-%E0%A4%B5%E0%A4%BF%E0%A4%AF%E0%A5%81%E0%A4%A4%E0%A4%BF" title="युति-वियुति – Hindi" lang="hi" hreflang="hi" data-title="युति-वियुति" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Sizigij" title="Sizigij – Croatian" lang="hr" hreflang="hr" data-title="Sizigij" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Sizigio" title="Sizigio – Ido" lang="io" hreflang="io" data-title="Sizigio" data-language-autonym="Ido" data-language-local-name="Ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Ra%C3%B0sta%C3%B0a_(stj%C3%B6rnufr%C3%A6%C3%B0i)" title="Raðstaða (stjörnufræði) – Icelandic" lang="is" hreflang="is" data-title="Raðstaða (stjörnufræði)" data-language-autonym="Íslenska" data-language-local-name="Icelandic" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Sizigia" title="Sizigia – Italian" lang="it" hreflang="it" data-title="Sizigia" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A1%D7%99%D7%96%D7%99%D7%92%D7%99%D7%95%D7%AA" title="סיזיגיות – Hebrew" lang="he" hreflang="he" data-title="סיזיגיות" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Syzygia_(astronomia)" title="Syzygia (astronomia) – Latin" lang="la" hreflang="la" data-title="Syzygia (astronomia)" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B8%E0%B4%BF%E0%B4%B8%E0%B4%BF%E0%B4%9C%E0%B4%BF_(%E0%B4%9C%E0%B5%8D%E0%B4%AF%E0%B5%8B%E0%B4%A4%E0%B4%BF%E0%B4%B6%E0%B4%BE%E0%B4%B8%E0%B5%8D%E0%B4%A4%E0%B5%8D%E0%B4%B0%E0%B4%82)" title="സിസിജി (ജ്യോതിശാസ്ത്രം) – Malayalam" lang="ml" hreflang="ml" data-title="സിസിജി (ജ്യോതിശാസ്ത്രം)" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Sizigi" title="Sizigi – Malay" lang="ms" hreflang="ms" data-title="Sizigi" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Syzygie_(astronomie)" title="Syzygie (astronomie) – Dutch" lang="nl" hreflang="nl" data-title="Syzygie (astronomie)" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Syzygy" title="Syzygy – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Syzygy" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Sizigiya" title="Sizigiya – Uzbek" lang="uz" hreflang="uz" data-title="Sizigiya" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Siz%C3%ADgia_(astronomia)" title="Sizígia (astronomia) – Portuguese" lang="pt" hreflang="pt" data-title="Sizígia (astronomia)" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Sizigie_(astronomie)" title="Sizigie (astronomie) – Romanian" lang="ro" hreflang="ro" data-title="Sizigie (astronomie)" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A1%D0%B8%D0%B7%D0%B8%D0%B3%D0%B8%D1%8F_(%D0%B0%D1%81%D1%82%D1%80%D0%BE%D0%BD%D0%BE%D0%BC%D0%B8%D1%8F)" title="Сизигия (астрономия) – Russian" lang="ru" hreflang="ru" data-title="Сизигия (астрономия)" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sa mw-list-item"><a href="https://sa.wikipedia.org/wiki/%E0%A4%B8%E0%A4%BF%E0%A4%9C%E0%A4%BC%E0%A4%BF%E0%A4%9C%E0%A5%80_(%E0%A4%96%E0%A4%97%E0%A5%8B%E0%A4%B2%E0%A4%B6%E0%A4%BE%E0%A4%B8%E0%A5%8D%E0%A4%A4%E0%A5%8D%E0%A4%B0%E0%A4%AE%E0%A5%8D)" title="सिज़िजी (खगोलशास्त्रम्) – Sanskrit" lang="sa" hreflang="sa" data-title="सिज़िजी (खगोलशास्त्रम्)" data-language-autonym="संस्कृतम्" data-language-local-name="Sanskrit" class="interlanguage-link-target"><span>संस्कृतम्</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Sizigij_(astronomija)" title="Sizigij (astronomija) – Slovenian" lang="sl" hreflang="sl" data-title="Sizigij (astronomija)" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%A3%E0%AF%88%E0%AE%B5%E0%AF%81_(%E0%AE%B5%E0%AE%BE%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D)" title="இணைவு (வானியல்) – Tamil" lang="ta" hreflang="ta" data-title="இணைவு (வானியல்)" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A1%D0%B8%D0%B7%D0%B8%D0%B3%D1%96%D1%8F" title="Сизигія – Ukrainian" lang="uk" hreflang="uk" data-title="Сизигія" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/S%C3%B3c_v%E1%BB%8Dng_(thi%C3%AAn_v%C4%83n_h%E1%BB%8Dc)" title="Sóc vọng (thiên văn học) – Vietnamese" lang="vi" hreflang="vi" data-title="Sóc vọng (thiên văn học)" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%9C%94%E6%9C%9B" title="朔望 – Chinese" lang="zh" hreflang="zh" data-title="朔望" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q13567909#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div 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src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cc/Finsternis1.jpg/220px-Finsternis1.jpg" decoding="async" width="220" height="88" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cc/Finsternis1.jpg/330px-Finsternis1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cc/Finsternis1.jpg/440px-Finsternis1.jpg 2x" data-file-width="898" data-file-height="359" /></a><figcaption>A syzygy occurs during eclipses (numbers 1, 2, 3, 4).</figcaption></figure> <p>In <a href="/wiki/Astronomy" title="Astronomy">astronomy</a>, a <b>syzygy</b> (<span class="rt-commentedText nowrap"><span class="IPA nopopups noexcerpt" lang="en-fonipa"><a href="/wiki/Help:IPA/English" title="Help:IPA/English">/<span style="border-bottom:1px dotted"><span title="/ˈ/: primary stress follows">ˈ</span><span title="'s' in 'sigh'">s</span><span title="/ɪ/: 'i' in 'kit'">ɪ</span><span title="'z' in 'zoom'">z</span><span title="/ə/: 'a' in 'about'">ə</span><span title="/dʒ/: 'j' in 'jam'">dʒ</span><span title="/i/: 'y' in 'happy'">i</span></span>/</a></span></span> <a href="/wiki/Help:Pronunciation_respelling_key" title="Help:Pronunciation respelling key"><i title="English pronunciation respelling"><span style="font-size:90%">SIZ</span>-ə-jee</i></a>; from <a href="/wiki/Ancient_Greek_language" class="mw-redirect" title="Ancient Greek language">Ancient Greek</a> <i> </i>συζυγία<i> (suzugía)</i> 'union, yoking', expressing the sense of σύν (<span title="Ancient Greek (to 1453)-language text"><i lang="grc">syn-</i></span> "together") and ζυγ- (<span title="Ancient Greek (to 1453)-language text"><i lang="grc">zug-</i></span> "a yoke")<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>) is a roughly straight-line configuration of three or more <a href="/wiki/Celestial_bodies" class="mw-redirect" title="Celestial bodies">celestial bodies</a> in a gravitational system.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>The word is often used in reference to the <a href="/wiki/Sun" title="Sun">Sun</a>, <a href="/wiki/Earth" title="Earth">Earth</a>, and either the <a href="/wiki/Moon" title="Moon">Moon</a> or a <a href="/wiki/Planet" title="Planet">planet</a>, where the latter is in <a href="/wiki/Astronomical_conjunction" class="mw-redirect" title="Astronomical conjunction"><i>conjunction</i></a> or <a href="/wiki/Astronomical_opposition" class="mw-redirect" title="Astronomical opposition"><i>opposition</i></a>. <a href="/wiki/Solar_eclipse" title="Solar eclipse">Solar</a> and <a href="/wiki/Lunar_eclipse" title="Lunar eclipse">lunar</a> <i><a href="/wiki/Eclipse" title="Eclipse">eclipses</a></i> occur at times of syzygy, as do <a href="/wiki/Astronomical_transit" title="Astronomical transit"><i>transits</i></a> and <i><a href="/wiki/Occultation" title="Occultation">occultations</a></i>. The term is often applied when the Sun and Moon are in conjunction (<a href="/wiki/New_moon" title="New moon">new moon</a>) or in opposition (<a href="/wiki/Full_moon" title="Full moon">full moon</a>).<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>When Earth is one of the bodies involved, the other objects appear to be close together (or overlapping) in the sky. </p> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Three_Planets_Dance_Over_La_Silla.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Three_Planets_Dance_Over_La_Silla.jpg/350px-Three_Planets_Dance_Over_La_Silla.jpg" decoding="async" width="350" height="244" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Three_Planets_Dance_Over_La_Silla.jpg/525px-Three_Planets_Dance_Over_La_Silla.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Three_Planets_Dance_Over_La_Silla.jpg/700px-Three_Planets_Dance_Over_La_Silla.jpg 2x" data-file-width="3000" data-file-height="2091" /></a><figcaption>Jupiter (top), Venus (lower left), and Mercury (lower right) above <a href="/wiki/La_Silla_Observatory" title="La Silla Observatory">La Silla Observatory</a>, <a href="/wiki/Chile" title="Chile">Chile</a> (May 26, 2013)<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup></figcaption></figure> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Main_types">Main types</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Syzygy_(astronomy)&action=edit&section=1" title="Edit section: Main types"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A syzygy sometimes results in an occultation, transit, or an eclipse. </p> <ul><li>An <a href="/wiki/Occultation" title="Occultation">occultation</a> occurs when an apparently larger body passes in front of an apparently smaller one.</li> <li>A <a href="/wiki/Transit_(astronomy)" class="mw-redirect" title="Transit (astronomy)">transit</a> occurs when a smaller body passes in front of a larger one. <ul><li>In the combined case where the smaller body regularly transits the larger, an occultation is also termed a secondary eclipse.</li></ul></li> <li>An <a href="/wiki/Eclipse" title="Eclipse">eclipse</a> occurs when a body totally or partially disappears from view, either by an occultation, as with a <a href="/wiki/Solar_eclipse" title="Solar eclipse">solar eclipse</a>, or by passing into the shadow of another body, as with a <a href="/wiki/Lunar_eclipse" title="Lunar eclipse">lunar eclipse</a> (thus both are listed on <a rel="nofollow" class="external text" href="https://eclipse.gsfc.nasa.gov/eclipse.html">NASA's eclipse page</a>).</li></ul> <div class="mw-heading mw-heading2"><h2 id="Consequences">Consequences</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Syzygy_(astronomy)&action=edit&section=2" title="Edit section: Consequences"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Einstein_ring">Einstein ring</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Syzygy_(astronomy)&action=edit&section=3" title="Edit section: Einstein ring"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Einstein_ring" title="Einstein ring">Einstein ring</a></div> <p>As electromagnetic rays are affected by gravitation, when they pass by a heavy mass they are bent. As a result, the heavy mass acts as a form of gravitational lens. If the light source, the gravitating mass and the observer stand in a line, one sees what is termed an Einstein ring. </p> <div class="mw-heading mw-heading3"><h3 id="Tidal_variation">Tidal variation</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Syzygy_(astronomy)&action=edit&section=4" title="Edit section: Tidal variation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Tidal_range" title="Tidal range">Tidal range</a></div> <p>A syzygy causes the fortnightly phenomena of <a href="/wiki/Spring_tide" class="mw-redirect" title="Spring tide">spring tides</a>. At the new and full moon, the Sun and Moon are in syzygy. Their <a href="/wiki/Tidal_force" title="Tidal force">tidal forces</a> act to reinforce each other, and the ocean both rises higher and falls lower than the average.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> Tidal variations can also be measured in the <a href="/wiki/Earth%27s_crust" title="Earth's crust">Earth's crust</a>, and these <i><a href="/wiki/Earth_tide" title="Earth tide">Earth tide</a></i> influences <a href="/wiki/Tidal_triggering_of_earthquakes" title="Tidal triggering of earthquakes">may affect the frequency of earthquakes</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Extraterrestrial_cases">Extraterrestrial cases</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Syzygy_(astronomy)&action=edit&section=5" title="Edit section: Extraterrestrial cases"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The word <i>syzygy</i> is often used to describe interesting configurations of astronomical objects in general. For example, one such case occurred on March 21, 1894, around 23:00 <a href="/wiki/GMT" class="mw-redirect" title="GMT">GMT</a>, when <a href="/wiki/Mercury_(planet)" title="Mercury (planet)">Mercury</a> transited the Sun as would have been seen from Venus, and Mercury and <a href="/wiki/Venus" title="Venus">Venus</a> both simultaneously transited the Sun as seen from <a href="/wiki/Saturn" title="Saturn">Saturn</a>. </p> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:PIA18389-MarsCuriosityRover-MercuryTransitsSun-20140603.gif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cf/PIA18389-MarsCuriosityRover-MercuryTransitsSun-20140603.gif/200px-PIA18389-MarsCuriosityRover-MercuryTransitsSun-20140603.gif" decoding="async" width="200" height="109" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cf/PIA18389-MarsCuriosityRover-MercuryTransitsSun-20140603.gif/300px-PIA18389-MarsCuriosityRover-MercuryTransitsSun-20140603.gif 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cf/PIA18389-MarsCuriosityRover-MercuryTransitsSun-20140603.gif/400px-PIA18389-MarsCuriosityRover-MercuryTransitsSun-20140603.gif 2x" data-file-width="640" data-file-height="350" /></a><figcaption><a href="/wiki/Mercury_(planet)" title="Mercury (planet)">Mercury</a> transiting the <a href="/wiki/Sun" title="Sun">Sun</a> as viewed by the <a href="/wiki/Curiosity_(rover)" title="Curiosity (rover)"><i>Curiosity</i> rover</a> on <a href="/wiki/Mars" title="Mars">Mars</a> (June 3, 2014).<sup id="cite_ref-NASA-20140610_7-0" class="reference"><a href="#cite_note-NASA-20140610-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup></figcaption></figure> <p>On June 3, 2014, the <a href="/wiki/Curiosity_(rover)" title="Curiosity (rover)"><i>Curiosity</i> rover</a> on Mars observed the planet <a href="/wiki/Transit_of_Mercury_from_Mars" title="Transit of Mercury from Mars">Mercury transiting the Sun</a>, marking the first time a <a href="/wiki/Planetary_transit" class="mw-redirect" title="Planetary transit">planetary transit</a> has been observed from a celestial body besides <a href="/wiki/Earth" title="Earth">Earth</a>.<sup id="cite_ref-NASA-20140610_7-1" class="reference"><a href="#cite_note-NASA-20140610-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Other_uses">Other uses</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Syzygy_(astronomy)&action=edit&section=6" title="Edit section: Other uses"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The term is also used to describe situations when all the planets are on the same side of the Sun although they are not necessarily in a straight line, such as on March 10, 1982.<sup id="cite_ref-nyt-1982_8-0" class="reference"><a href="#cite_note-nyt-1982-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:PXL_20220623_105621717.NIGHT.Stellarium.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/75/PXL_20220623_105621717.NIGHT.Stellarium.jpg/220px-PXL_20220623_105621717.NIGHT.Stellarium.jpg" decoding="async" width="220" height="248" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/75/PXL_20220623_105621717.NIGHT.Stellarium.jpg/330px-PXL_20220623_105621717.NIGHT.Stellarium.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/75/PXL_20220623_105621717.NIGHT.Stellarium.jpg/440px-PXL_20220623_105621717.NIGHT.Stellarium.jpg 2x" data-file-width="3840" data-file-height="4320" /></a><figcaption>Apparent planetary alignment involving Mercury, Venus, Mars, and Jupiter; the Moon is also shown, as the brightest object.</figcaption></figure> <p>Because the orbits of all the planets in the Solar System (as well as the Moon) are inclined by only a few degrees, they always appear very near the <a href="/wiki/Ecliptic" title="Ecliptic">ecliptic</a> in our sky. Therefore, although an <i>apparent planetary alignment</i> may appear as a line (actually, a <a href="/wiki/Great_arc" class="mw-redirect" title="Great arc">great arc</a>), the planets are not necessarily aligned in space. </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Syzygy_(astronomy)&action=edit&section=7" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/60px-Wiktionary-logo-en-v2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/80px-Wiktionary-logo-en-v2.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span></div> <div class="side-box-text plainlist">Look up <i><b><a href="https://en.wiktionary.org/wiki/syzygy" class="extiw" title="wiktionary:syzygy">syzygy</a></b></i> in Wiktionary, the free dictionary.</div></div> </div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1235681985"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1237033735"><div class="side-box side-box-right plainlinks sistersitebox"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; 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March 14, 1982<span class="reference-accessdate">. Retrieved <span class="nowrap">May 20,</span> 2015</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=New+York+Times&rft.atitle=Ideas+%26+Trends+in+Summary%3B+It%27s+All+Right+To+Come+Out+Now&rft.date=1982-03-14&rft_id=https%3A%2F%2Fwww.nytimes.com%2F1982%2F03%2F14%2Fweekinreview%2Fideas-trends-in-summary-it-s-all-right-to-come-out-now.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASyzygy+%28astronomy%29" class="Z3988"></span></span> </li> </ol></div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl 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.navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Moon" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:The_Moon" title="Template:The Moon"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:The_Moon" title="Template talk:The Moon"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:The_Moon" title="Special:EditPage/Template:The Moon"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Moon" style="font-size:114%;margin:0 4em"><a href="/wiki/Moon" title="Moon">Moon</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="3"><div><a href="/wiki/Outline_of_the_Moon" title="Outline of the Moon">Outline</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Physical<br />properties</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Internal_structure_of_the_Moon" title="Internal structure of the Moon">Internal structure</a></span></li> <li><span class="nowrap"><a href="/wiki/Selenography" title="Selenography">Topography</a></span></li> <li><span class="nowrap"><a href="/wiki/Atmosphere_of_the_Moon" title="Atmosphere of the Moon">Atmosphere</a></span></li> <li><span class="nowrap"><a href="/wiki/Gravitation_of_the_Moon" title="Gravitation of the Moon">Gravity field</a></span> <ul><li><span class="nowrap"><a href="/wiki/Hill_sphere" title="Hill sphere">Hill sphere</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/Magnetic_field_of_the_Moon" title="Magnetic field of the Moon">Magnetic field</a></span></li> <li><span class="nowrap"><a href="/wiki/Sodium_tail_of_the_Moon" title="Sodium tail of the Moon">Sodium tail</a></span></li> <li><span class="nowrap"><a href="/wiki/Moonlight" title="Moonlight">Moonlight</a></span> <ul><li><span class="nowrap"><a href="/wiki/Earthlight_(astronomy)" title="Earthlight (astronomy)">Earthshine</a></span></li></ul></li></ul> </div></td><td class="noviewer navbox-image" rowspan="9" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:FullMoon2010.jpg" class="mw-file-description" title="A full moon"><img alt="A full moon" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e1/FullMoon2010.jpg/90px-FullMoon2010.jpg" decoding="async" width="90" height="86" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e1/FullMoon2010.jpg/135px-FullMoon2010.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e1/FullMoon2010.jpg/180px-FullMoon2010.jpg 2x" data-file-width="2580" data-file-height="2452" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Orbit_of_the_Moon" title="Orbit of the Moon">Orbit</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Lunar_distance_(astronomy)" class="mw-redirect" title="Lunar distance (astronomy)">Lunar distance</a></span></li> <li><span class="nowrap"><a href="/wiki/Orbital_elements" title="Orbital elements">Orbital elements</a></span> <ul><li><span class="nowrap"><a href="/wiki/Lunar_distance_(astronomy)" class="mw-redirect" title="Lunar distance (astronomy)">Distance</a></span> <ul><li><span class="nowrap"><a href="/wiki/Apsis" title="Apsis">Perigee and apogee</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/Libration" title="Libration">Libration</a></span></li> <li><span class="nowrap"><a href="/wiki/Lunar_node" title="Lunar node">Nodes</a></span> <ul><li><span class="nowrap"><a href="/wiki/Nodal_period" title="Nodal period">Nodal period</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/Lunar_precession" title="Lunar precession">Precession</a></span></li></ul></li> <li><span class="nowrap"><a class="mw-selflink selflink">Syzygy</a></span> <ul><li><span class="nowrap"><a href="/wiki/New_moon" title="New moon">New moon</a></span></li> <li><span class="nowrap"><a href="/wiki/Full_moon" title="Full moon">Full moon</a></span></li> <li><span class="nowrap"><a href="/wiki/Eclipse" title="Eclipse">Eclipses</a></span> <ul><li><span class="nowrap"><a href="/wiki/Lunar_eclipse" title="Lunar eclipse">Lunar eclipse</a></span> <ul><li><span class="nowrap"><a href="/wiki/Total_penumbral_lunar_eclipse" title="Total penumbral lunar eclipse">Total penumbral lunar eclipse</a></span></li> <li><span class="nowrap"><a href="/wiki/Tetrad_(astronomy)" title="Tetrad (astronomy)">Tetrad</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/Solar_eclipse" title="Solar eclipse">Solar eclipse</a></span></li> <li><span class="nowrap"><a href="/wiki/Solar_eclipses_on_the_Moon" title="Solar eclipses on the Moon">Solar eclipses on the Moon</a></span></li> <li><span class="nowrap"><a href="/wiki/Eclipse_cycle" title="Eclipse cycle">Eclipse cycle</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/Supermoon" title="Supermoon">Supermoon</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/Tide" title="Tide">Tide</a></span> <ul><li><span class="nowrap"><a href="/wiki/Tidal_force" title="Tidal force">Tidal force</a></span></li> <li><span class="nowrap"><a href="/wiki/Tidal_locking" title="Tidal locking">Tidal locking</a></span></li> <li><span class="nowrap"><a href="/wiki/Tidal_acceleration" title="Tidal acceleration">Tidal acceleration</a></span></li> <li><span class="nowrap"><a href="/wiki/Tidal_range" title="Tidal range">Tidal range</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/Lunar_station" title="Lunar station">Lunar station</a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Surface and<br /><a href="/wiki/List_of_lunar_features" title="List of lunar features">features</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Selenography" title="Selenography">Selenography</a></span></li> <li><span class="nowrap"><a href="/wiki/Lunar_terminator" class="mw-redirect" title="Lunar terminator">Terminator</a></span></li> <li><span class="nowrap"><a href="/wiki/Lunar_limb" title="Lunar limb">Limb</a></span></li> <li><span class="nowrap">Hemispheres</span> <ul><li><span class="nowrap"><a href="/wiki/Near_side_of_the_Moon" title="Near side of the Moon">Near side</a></span></li> <li><span class="nowrap"><a href="/wiki/Far_side_of_the_Moon" title="Far side of the Moon">Far side</a></span></li></ul></li> <li><span class="nowrap">Poles</span> <ul><li><span class="nowrap"><a href="/wiki/Lunar_north_pole" title="Lunar north pole">North pole</a></span></li> <li><span class="nowrap"><a href="/wiki/Lunar_south_pole" title="Lunar south pole">South pole</a></span> <ul><li><span class="nowrap"><a href="/wiki/Face_on_Moon_South_Pole" title="Face on Moon South Pole">Face</a></span></li></ul></li></ul></li> <li><span class="nowrap"><a href="/wiki/Lunar_mare" title="Lunar mare">Maria</a></span> <ul><li><span class="nowrap"><a href="/wiki/List_of_maria_on_the_Moon" title="List of maria on the Moon">List</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/List_of_mountains_on_the_Moon" title="List of mountains on the Moon">Mountains</a></span> <ul><li><span class="nowrap"><a href="/wiki/Peak_of_eternal_light" title="Peak of eternal light">Peak of eternal light</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/List_of_valleys_on_the_Moon" title="List of valleys on the Moon">Valleys</a></span></li> <li><span class="nowrap"><a href="/wiki/Volcanism_on_the_Moon#Features" title="Volcanism on the Moon">Volcanic features</a></span> <ul><li><span class="nowrap"><a href="/wiki/Lunar_dome" title="Lunar dome">Domes</a></span></li> <li><span class="nowrap"><a href="/wiki/Caldera#The_Moon" title="Caldera">Calderas</a></span></li> <li><span class="nowrap"><a href="/wiki/Lunar_lava_tube" title="Lunar lava tube">Lava tubes</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/Lunar_craters" title="Lunar craters">Craters</a></span> <ul><li><span class="nowrap"><a href="/wiki/List_of_craters_on_the_Moon" title="List of craters on the Moon">List</a></span></li> <li><span class="nowrap"><a href="/wiki/Ray_system#Lunar_rays" title="Ray system">Ray systems</a></span></li> <li><span class="nowrap"><a href="/wiki/Permanently_shadowed_crater" title="Permanently shadowed crater">Permanently shadowed craters</a></span></li> <li><span class="nowrap"><a href="/wiki/South_Pole%E2%80%93Aitken_basin" title="South Pole–Aitken basin">South Pole–Aitken basin</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/Lunar_soil" class="mw-redirect" title="Lunar soil">Soil</a></span> <ul><li><span class="nowrap"><a href="/wiki/Lunar_swirls" title="Lunar swirls">swirls</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/Rille" title="Rille">Rilles</a></span></li> <li><span class="nowrap"><a href="/wiki/Wrinkle_ridge" title="Wrinkle ridge">Wrinkle ridges</a></span></li> <li><span class="nowrap"><a href="/wiki/Moon_rock" title="Moon rock">Rocks</a></span> <ul><li><span class="nowrap"><a href="/wiki/Lunar_basalt_70017" title="Lunar basalt 70017">Lunar basalt 70017</a></span></li> <li><span class="nowrap"><a href="/wiki/Changesite-(Y)" title="Changesite-(Y)">Changesite-(Y)</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/Lunar_water" title="Lunar water">Water</a></span></li> <li><span class="nowrap"><a href="/wiki/Space_weathering" title="Space weathering">Space weathering</a></span> <ul><li><span class="nowrap"><a href="/wiki/Micrometeorite" title="Micrometeorite">Micrometeorite</a></span></li> <li><span class="nowrap"><a href="/wiki/Sputtering" title="Sputtering">Sputtering</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/Quake_(natural_phenomenon)#Moonquake" title="Quake (natural phenomenon)">Quakes</a></span></li> <li><span class="nowrap"><a href="/wiki/Transient_lunar_phenomenon" title="Transient lunar phenomenon">Transient lunar phenomenon</a></span></li> <li><span class="nowrap"><a href="/wiki/Selenographic_coordinate_system" title="Selenographic coordinate system">Selenographic coordinate system</a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Science</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Lunar_observation" title="Lunar observation">Observation</a></span></li> <li><span class="nowrap"><a href="/wiki/Libration#Lunar_libration" title="Libration">Libration</a></span></li> <li><span class="nowrap"><a href="/wiki/Lunar_theory" title="Lunar theory">Lunar theory</a></span></li> <li><span class="nowrap"><a href="/wiki/Origin_of_the_Moon" title="Origin of the Moon">Origin</a></span> <ul><li><span class="nowrap"><a href="/wiki/Giant-impact_hypothesis" title="Giant-impact hypothesis">Giant-impact hypothesis</a></span> <ul><li><span class="nowrap"><a href="/wiki/Theia_(planet)" title="Theia (planet)">Theia</a></span></li> <li><span class="nowrap"><a href="/wiki/Lunar_magma_ocean" title="Lunar magma ocean">Lunar magma ocean</a></span></li></ul></li></ul></li> <li><span class="nowrap"><a href="/wiki/Geology_of_the_Moon" title="Geology of the Moon">Geology</a></span> <ul><li><span class="nowrap"><a href="/wiki/Lunar_geologic_timescale" title="Lunar geologic timescale">Timescale</a></span> <ul><li><span class="nowrap"><a href="/wiki/Late_Heavy_Bombardment" title="Late Heavy Bombardment">Late Heavy Bombardment</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/Lunar_meteorite" title="Lunar meteorite">Lunar meteorites</a></span></li> <li><span class="nowrap"><a href="/wiki/KREEP" title="KREEP">KREEP</a></span></li> <li><span class="nowrap"><a href="/wiki/Volcanism_on_the_Moon" title="Volcanism on the Moon">Volcanism</a></span></li></ul></li> <li><span class="nowrap">Experiments</span> <ul><li><span class="nowrap"><a href="/wiki/Lunar_Laser_Ranging_experiment" class="mw-redirect" title="Lunar Laser Ranging experiment">Lunar laser ranging</a></span></li> <li><span class="nowrap"><a href="/wiki/Apollo_Lunar_Surface_Experiments_Package" title="Apollo Lunar Surface Experiments Package">ALSEP</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/Lunar_sample_displays" title="Lunar sample displays">Lunar sample displays</a></span> <ul><li><span class="nowrap"><a href="/wiki/Apollo_11_lunar_sample_display" title="Apollo 11 lunar sample display">Apollo 11</a></span></li> <li><span class="nowrap"><a href="/wiki/Apollo_17_lunar_sample_display" title="Apollo 17 lunar sample display">Apollo 17</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/Lunar_seismology" title="Lunar seismology">Lunar seismology</a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Exploration_of_the_Moon" title="Exploration of the Moon">Exploration</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/List_of_missions_to_the_Moon" title="List of missions to the Moon">Missions</a></span> <ul><li><span class="nowrap"><a href="/wiki/Apollo_program" title="Apollo program">Apollo program</a></span></li> <li><span class="nowrap"><a href="/wiki/List_of_people_who_have_walked_on_the_Moon" class="mw-redirect" title="List of people who have walked on the Moon">Explorers</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/List_of_lunar_probes" title="List of lunar probes">Probes</a></span></li> <li><span class="nowrap"><a href="/wiki/Moon_landing" title="Moon landing">Landing</a></span></li> <li><span class="nowrap"><a href="/wiki/Colonization_of_the_Moon" title="Colonization of the Moon">Colonization</a></span> <ul><li><span class="nowrap"><a href="/wiki/Moonbase" title="Moonbase">Moonbase</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/Tourism_on_the_Moon" title="Tourism on the Moon">Tourism</a></span></li> <li><span class="nowrap"><a href="/wiki/Lunar_resources" title="Lunar resources">Lunar resources</a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Time-telling <br />and <a href="/wiki/Celestial_navigation" title="Celestial navigation">navigation</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Lunar_calendar" title="Lunar calendar">Lunar calendar</a></span></li> <li><span class="nowrap"><a href="/wiki/Lunisolar_calendar" title="Lunisolar calendar">Lunisolar calendar</a></span></li> <li><span class="nowrap"><a href="/wiki/Month" title="Month">Month</a></span> <ul><li><span class="nowrap"><a href="/wiki/Lunar_month" title="Lunar month">Lunar month</a></span> <ul><li><span class="nowrap"><a href="/wiki/Nodal_period" title="Nodal period">Nodal period</a></span></li></ul></li></ul></li> <li><span class="nowrap"><a href="/wiki/Fortnight" title="Fortnight">Fortnight</a></span></li> <li><span class="nowrap"><a href="/wiki/Week" title="Week">Sennight</a></span></li> <li><span class="nowrap"><a href="/wiki/Lunar_station" title="Lunar station">Lunar station</a></span></li> <li><span class="nowrap"><a href="/wiki/Lunar_distance_(navigation)" title="Lunar distance (navigation)">Lunar distance</a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Lunar_phase" title="Lunar phase">Phases</a> and<br />names</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/New_moon" title="New moon">New</a></span></li> <li><span class="nowrap"><a href="/wiki/Full_moon" title="Full moon">Full</a></span> <ul><li><span class="nowrap"><a href="/wiki/Full_moon#Full_moon_names" title="Full moon">Names</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/Crescent" title="Crescent">Crescent</a></span></li> <li><span class="nowrap"><a href="/wiki/Supermoon" title="Supermoon">Super and micro</a></span></li> <li><span class="nowrap"><a href="/wiki/Lunar_eclipse" title="Lunar eclipse">Blood</a></span></li> <li><span class="nowrap"><a href="/wiki/Blue_moon" title="Blue moon">Blue</a></span></li> <li><span class="nowrap"><a href="/wiki/Black_moon" title="Black moon">Black</a></span></li> <li><span class="nowrap"><a href="/wiki/Dark_moon" title="Dark moon">Dark</a></span></li> <li><span class="nowrap"><a href="/wiki/Wet_moon" title="Wet moon">Wet</a></span></li> <li><span class="nowrap"><a href="/wiki/Tetrad_(astronomy)" title="Tetrad (astronomy)">Tetrad</a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Daily phenomena</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Moonrise_and_moonset" title="Moonrise and moonset">Moonrise</a></span></li> <li><span class="nowrap"><a href="/wiki/Culmination" title="Culmination">Meridian passage</a></span></li> <li><span class="nowrap"><a href="/wiki/Moonrise_and_moonset" title="Moonrise and moonset">Moonset</a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Lunar_deity" title="Lunar deity">Lunar deities</a></span></li> <li><span class="nowrap"><a href="/wiki/Lunar_effect" title="Lunar effect">Lunar effect</a></span></li> <li><span class="nowrap"><a href="/wiki/Earth_phase" title="Earth phase">Earth phase</a></span></li> <li><span class="nowrap"><a href="/wiki/Moon_illusion" title="Moon illusion">Moon illusion</a></span></li> <li><span class="nowrap"><a href="/wiki/Lunar_pareidolia" title="Lunar pareidolia">Pareidolia</a></span> <ul><li><span class="nowrap"><a href="/wiki/Man_in_the_Moon" title="Man in the Moon">Man in the Moon</a></span></li> <li><span class="nowrap"><a href="/wiki/Moon_rabbit" title="Moon rabbit">Moon rabbit</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/List_of_people_with_craters_of_the_Moon_named_after_them" title="List of people with craters of the Moon named after them">Craters named after people</a></span></li> <li><span class="nowrap"><a href="/wiki/List_of_artificial_objects_on_the_Moon" title="List of artificial objects on the Moon">Artificial objects on the Moon</a></span></li> <li><span class="nowrap"><a href="/wiki/List_of_extraterrestrial_memorials#The_Moon" title="List of extraterrestrial memorials">Memorials on the Moon</a></span></li> <li><span class="nowrap"><a href="/wiki/Moon_in_science_fiction" title="Moon in science fiction">Moon in science fiction</a></span> <ul><li><span class="nowrap"><a href="/wiki/List_of_appearances_of_the_Moon_in_fiction" title="List of appearances of the Moon in fiction">list</a></span></li> <li><span class="nowrap"><a href="/wiki/List_of_fictional_astronauts_(Project_Apollo_era)" title="List of fictional astronauts (Project Apollo era)">Apollo era</a></span></li> <li><span class="nowrap"><a href="/wiki/List_of_fictional_astronauts_(futuristic_exploration_of_Moon)" title="List of fictional astronauts (futuristic exploration of Moon)">futuristic exploration</a></span></li> <li><span class="nowrap"><a href="/wiki/Hollow_Moon" title="Hollow Moon">Hollow Moon</a></span></li></ul></li> <li><span class="nowrap"><a href="/wiki/Moon_landing_conspiracy_theories" title="Moon landing conspiracy theories">Moon landing conspiracy theories</a></span></li> <li><span class="nowrap"><a href="/wiki/Moon_Treaty" title="Moon Treaty">Moon Treaty</a></span></li> <li><span class="nowrap">"<a href="/wiki/The_Moon_is_made_of_green_cheese" title="The Moon is made of green cheese">Moon is made of green cheese</a>"</span></li> <li><span class="nowrap"><a href="/wiki/Natural_satellite" title="Natural satellite">Natural satellite</a></span></li> <li><span class="nowrap"><a href="/wiki/Double_planet" title="Double planet">Double planet</a></span></li> <li><span class="nowrap"><a href="/wiki/Planetary_objects_proposed_in_religion,_astrology,_ufology_and_pseudoscience#Lilith" title="Planetary objects proposed in religion, astrology, ufology and pseudoscience">Lilith (hypothetical second moon)</a></span></li> <li><span class="nowrap"><a href="/wiki/Splitting_of_the_Moon" title="Splitting of the Moon">Splitting of the Moon</a></span></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="3"><div> <ul><li><span class="nowrap"><span class="noviewer" typeof="mw:File"><span title="Category"><img 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